unit Unit1;interfaceuses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
GroupBox1: TGroupBox;
procedure FormCreate(Sender: TObject);
procedure createparams(var params: Tcreateparams); override; //重载FORMCREATE,!!!
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;
implementation
{$R *.DFM}procedure TForm1.FormCreate(Sender: TObject);
begin
form1.Brush.Style := bsclear;
form1.borderstyle := bsnone;
end;procedure TForm1.Button2Click(Sender: TObject);
begin
close;
end;procedure TForm1.createparams(var params: Tcreateparams);
begin
inherited createparams(params); //!!!
params.exstyle := WS_EX_TRANSPARENT; //!!!
end;end.
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
GroupBox1: TGroupBox;
procedure FormCreate(Sender: TObject);
procedure createparams(var params: Tcreateparams); override; //重载FORMCREATE,!!!
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;
implementation
{$R *.DFM}procedure TForm1.FormCreate(Sender: TObject);
begin
form1.Brush.Style := bsclear;
form1.borderstyle := bsnone;
end;procedure TForm1.Button2Click(Sender: TObject);
begin
close;
end;procedure TForm1.createparams(var params: Tcreateparams);
begin
inherited createparams(params); //!!!
params.exstyle := WS_EX_TRANSPARENT; //!!!
end;end.
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begin
Form1.Brush.Style := bsClear;
Form1.BorderStyle := bsNone
end;procedure TForm1.BitBtn1Click(Sender: TObject);
begin
Application.Terminate;
end;
我在一本书上看到过例子,叫什么 Delphi编程一百例 吧,广州购书中心有,去看看就知道了,也不用花钱买,因为很简单!一下子就可以吧它记下来!
Windows;const
WS_EX_LAYERED = $00080000;
LWA_ALPHA = $00000002;type
FAnimateWindow = function(const hwnd: HWND; const dwTime: DWORD; const dwFlags: DWORD):DWORD; stdcall;
FSetLayeredWindowAttributes = function(hWnd: HWND; crKey: DWORD; bAlpha: Byte; dwFlags: DWORD): BOOL; stdcall;function AnimateWindow(const hwnd: HWND; const dwTime: DWORD; const dwFlags: DWORD):DWORD;
function SetLayeredWindowAttributes(hwnd: HWND; crKey: DWORD; bAlpha: Byte; dwFlags: DWord): BOOL;implementationfunction AnimateWindow(const hwnd: HWND; const dwTime: DWORD; const dwFlags: DWORD):DWORD;
var
DLLHandle : THandle;
AnimateWindow : FAnimateWindow;
begin
Result := 0;
DLLHandle := LoadLibrary('user32.dll');
if DLLHandle <> 0 then begin
@AnimateWindow := GetProcAddress(DLLHandle,'AnimateWindow');
if @AnimateWindow <> nil then begin
Result := AnimateWindow(hwnd,dwTime,dwFlags);
end;
end;
end;function SetLayeredWindowAttributes(hwnd: HWND; crKey: DWORD; bAlpha: Byte; dwFlags: DWORD): BOOL;
var
DLLHandle : THandle;
gwlStyle : Longint;
SetLayeredWindowAttributes : FSetLayeredWindowAttributes;
begin
Result := false;
DLLHandle := LoadLibrary('user32.dll');
if DLLHandle <> 0 then begin
@SetLayeredWindowAttributes := GetProcAddress(DLLHandle,'SetLayeredWindowAttributes');
if @SetLayeredWindowAttributes <> nil then begin
gwlStyle := GetWindowLong(hwnd,GWL_EXSTYLE);
gwlStyle := gwlStyle or WS_EX_LAYERED;
SetWindowLong(hwnd,GWL_EXSTYLE,gwlStyle);
Result := SetLayeredWindowAttributes(hWnd,crKey,bAlpha,dwFlags);
end;
end;
end;end.
调用方法, 可以调透明度(0-255)的, 但要在WIN2000下方可以
begin
SetLayeredWindowAttributes(Handle,0,透明度值,LWA_ALPHA);
end;
我在一本书上看到过例子,叫什么 Delphi编程一百例 吧,广州购书中心有,去看看就知道了,也不用花钱买,因为很简单!一下子就可以吧它记下来!